| Acronym | Definition |
|---|
| KIU➣Kyoto International University (Japan) |
| KIU➣Kyushu International University (Japan) |
| KIU➣Kid Icarus: Uprising (gaming) |
| KIU➣Kobe International University (Japan) |
| KIU➣Keep It Up |
| KIU➣Kyoto Imperial University (now Kyoto University; Japan) |
| KIU➣Kölner Internet Union |
| KIU➣Kampala International University (Uganda) |
| KIU➣Kick It Up |
| KIU➣kilo International Units |
| KIU➣Kallidinogenase Inactivator Unit (biochemical measurement) |
| KIU➣Killer Inside Us (gaming clan) |